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Alik [6]
3 years ago
8

PERGUNTA 1

Mathematics
1 answer:
Reptile [31]3 years ago
5 0
C I guess




I don’t understand
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the ratio of the interior angle to the exterior angle measures of a triangle is 1:4:5. What are the angle measures
matrenka [14]

Answer:

18°

Step-by-step explanation:

because it is ratio let represent by x

1x+4x+5x=180

10x=180

x=18°

hope that helps

4 0
3 years ago
What is 4 times something equals 48
sergejj [24]


4x12= 48

hope this helps :D

best answers ?

7 0
3 years ago
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the cos c of recycle Tin can varies directly as it's weight w in kilograms .if a junk shop pays 60 pesos per kilo of tin cans ho
liraira [26]

Answer:

Step-by-step explanation:

c = 60w

390 = 60w

w = 6.5 kilograms

3 0
2 years ago
A chord consists of notes that sound good together. The C major chord starting at middle C has the following frequencies: C - 26
Bingel [31]

Answer:

The frequency of note E is:

f(E) = 330 Hz

The frequency of note C is:

f(C) = 262 Hz

The ratio of the frequency of note E to the frequency of note C is just the quotient of these two frequencies:

r  = f(E)/f(C) = 330Hz/262Hz = 330/262 = 1.26

Now, we want to find how man E waves will fit in the length of four C waves.

Note that here the word "length" is used, so we need to work with the wavelengths, not with the frequencies.

For waves, we have the relationship:

v = f*λ

where:

v = velocity (in this case, velocity of the sound = 343 m/s)

f = frequency

λ = wavelength.

So, the length of a single E wave is:

λ(E) = (343 m/s)/(330 1/s) = 1.04 m

And the length of a single C note is:

λ(C) = (343 m/s)/(262 1/s) = 1.30 m

In four C waves, the length is:

4*λ(C) = 4*1.30m = 5.2m

The number of E waves that fit in the length of four C waves is equal to the quotient between the length of four C waves and one E wave:

N = (4*λ(C))/(λ(E) ) = (5.2 m)/(1.04m) = 5.14

So we can fit 5 E waves into four C waves.

6 0
3 years ago
What is numerical coefficient of this term -3z
9966 [12]

Answer: -3

The coefficient is the number that is getting multiplied by the variable

5 0
3 years ago
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